Overview

overview

10

Static

static

7

221843dd0c...c7.exe

windows7-x64

10

221843dd0c...c7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    221843dd0cb3158973e4cada00672794e065a6698120ea74bc95a7e5033f83c7

  • Size

    91KB

  • Sample

    240805-x6fhhazckh

  • MD5

    b931a0b67a141ba8e3fccc62bc70400a

  • SHA1

    8320576baa0369ed93dc7d2147ad915a4843b664

  • SHA256

    221843dd0cb3158973e4cada00672794e065a6698120ea74bc95a7e5033f83c7

  • SHA512

    8648d1899bda7d891ea3c5ce23ee9cfec8688966958a1f514a0f9a469c6c0b002907972e35e10c6f84d6714208e5d09546df12ade5921d7e32426b8dd0ff7cb0

  • SSDEEP

    1536:XRsjdLaslqdBXvTUL0Hnouy8VjhRsjdLaslqdBXvTUL0Hnouy8VjK:XOJKqsout9hOJKqsout9K

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      221843dd0cb3158973e4cada00672794e065a6698120ea74bc95a7e5033f83c7

    • Size

      91KB

    • MD5

      b931a0b67a141ba8e3fccc62bc70400a

    • SHA1

      8320576baa0369ed93dc7d2147ad915a4843b664

    • SHA256

      221843dd0cb3158973e4cada00672794e065a6698120ea74bc95a7e5033f83c7

    • SHA512

      8648d1899bda7d891ea3c5ce23ee9cfec8688966958a1f514a0f9a469c6c0b002907972e35e10c6f84d6714208e5d09546df12ade5921d7e32426b8dd0ff7cb0

    • SSDEEP

      1536:XRsjdLaslqdBXvTUL0Hnouy8VjhRsjdLaslqdBXvTUL0Hnouy8VjK:XOJKqsout9hOJKqsout9K

    Score
    10/10
    discoveryevasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

6
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks